Houseboat

Cary Grant

Tom Winters

Sophia Loren

Cinzia Zaccardi

Martha Hyer

Carolyn Gibson

Harry Guardino

Angelo Donatello

Eduardo Ciannelli

Arturo Zaccardi

Murray Hamilton

Capt. Alan Wilson

Mimi Gibson

Elizabeth Winters

Paul Petersen

David Winters

Charles Herbert

Robert Winters

Werner Klemperer

Harold Messner

Madge Kennedy

Mrs. Farnsworth

John Litel

Mr. William Farnsworth

Bess Flowers

Wedding Guest

Kathleen Freeman

Laundromat Gossip

Marc Wilder

Specialty Dancer (uncredited)

Ralph Brooks

Country Club Patron (uncredited)